package com.lky.reggie.controller;

import com.baomidou.mybatisplus.core.conditions.query.LambdaQueryWrapper;
import com.lky.reggie.common.R;
import com.lky.reggie.pojo.User;
import com.lky.reggie.service.UserService;
import com.lky.reggie.utils.SMSUtils;
import com.lky.reggie.utils.ValidateCodeUtils;
import lombok.extern.slf4j.Slf4j;
import org.apache.commons.lang.StringUtils;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.data.redis.core.RedisTemplate;
import org.springframework.web.bind.annotation.PostMapping;
import org.springframework.web.bind.annotation.RequestBody;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.RestController;

import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpSession;
import java.util.Map;
import java.util.concurrent.TimeUnit;

/**
 * @author shkstart
 * @Description
 * @date 2023-01-09-9:22
 */
@RestController
@RequestMapping("/user")
@Slf4j
public class UserController {

    @Autowired
    private UserService userService;

    @Autowired
    private RedisTemplate redisTemplate;


    @PostMapping("/sendMsg")
    public R<String > sendMsg(@RequestBody User user, HttpSession session)
    {
        //获取手机号
        String phone = user.getPhone();
        if(StringUtils.isNotEmpty(phone))
        {
            //生成4为验证码
            String  code = String.valueOf(ValidateCodeUtils.generateValidateCode(4));
            log.info("code:{}",code);

            //调用阿里云提供的短信服务API
            SMSUtils.sendMessage("阿里云短信测试","SMS_154950909",phone,code);

            //需要将生成的验证码保存到session
            session.setAttribute(phone,code);

            //将生成得验证码缓存到redis中，并且设置有效期为五分钟
            redisTemplate.opsForValue().set(phone,code,5, TimeUnit.MINUTES);

            return R.success("手机验证码短信发送成功");
        }
        return R.error("短信发送失败");


    }

    /**
     * 移动端用户登录
     * @param map
     * @param session
     * @return
     */
    @PostMapping("/login")
    public R<User > login(@RequestBody Map map, HttpSession session)
    {
        log.info("map:{}",map.toString());

        //获取手机号
        String phone = map.get("phone").toString();

        //获取验证码
        String code = map.get("code").toString();

        //从session中获取保存的验证码
//        Object codeInSesseion = session.getAttribute(phone);

        //从redis中获取缓存的验证码
        Object codeInSesseion = redisTemplate.opsForValue().get(phone);

        //通过验证码的比对（页面提交时和session在保存的验证码比对
        if (codeInSesseion!=null&&codeInSesseion.equals(code))
        {
            //如果比对成功，说明登录成功

            //判断当前手机号是否为新用户，如果是新用户就自动完成是注册
            LambdaQueryWrapper<User> queryWrapper=new LambdaQueryWrapper<>();
            queryWrapper.eq(User::getPhone,phone);

            User user = userService.getOne(queryWrapper);
            if(user==null)
            {
                 user = new User();
                 user.setPhone(phone);
                 user.setStatus(1);
                userService.save(user);

            }
session.setAttribute("user",user.getId());
            //用户登录成功，删除redis中的验证码
            redisTemplate.delete(phone);
            return R.success(user);
        }

        return R.error("登录失败");


    }
}
